Treat int-subclass status metadata as unknown in polling retries

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/client/polling.py

@@ -381,7 +381,7 @@ def _decode_ascii_bytes_like(value: object) -> Optional[str]:
 def _normalize_status_code_for_retry(status_code: object) -> Optional[int]:
     if isinstance(status_code, bool):
         return None
-    if isinstance(status_code, int):
+    if type(status_code) is int:
         return status_code
     status_text: Optional[str] = None
     if isinstance(status_code, memoryview):

tests/test_polling.py

@@ -1659,6 +1659,32 @@ def operation() -> str:
     assert attempts["count"] == 3
 
 
+def test_retry_operation_handles_integer_subclass_status_codes_as_retryable_unknown():
+    class _StatusCodeInt(int):
+        pass
+
+    attempts = {"count": 0}
+
+    def operation() -> str:
+        attempts["count"] += 1
+        if attempts["count"] < 3:
+            raise HyperbrowserError(
+                "int-subclass status code",
+                status_code=_StatusCodeInt(429),  # type: ignore[arg-type]
+            )
+        return "ok"
+
+    result = retry_operation(
+        operation_name="sync retry int-subclass status code",
+        operation=operation,
+        max_attempts=5,
+        retry_delay_seconds=0.0001,
+    )
+
+    assert result == "ok"
+    assert attempts["count"] == 3
+
+
 def test_retry_operation_handles_signed_string_status_codes_as_retryable_unknown():
     attempts = {"count": 0}
 
@@ -2472,6 +2498,35 @@ async def operation() -> str:
     asyncio.run(run())
 
 
+def test_retry_operation_async_handles_integer_subclass_status_codes_as_retryable_unknown():
+    class _StatusCodeInt(int):
+        pass
+
+    async def run() -> None:
+        attempts = {"count": 0}
+
+        async def operation() -> str:
+            attempts["count"] += 1
+            if attempts["count"] < 3:
+                raise HyperbrowserError(
+                    "int-subclass status code",
+                    status_code=_StatusCodeInt(429),  # type: ignore[arg-type]
+                )
+            return "ok"
+
+        result = await retry_operation_async(
+            operation_name="async retry int-subclass status code",
+            operation=operation,
+            max_attempts=5,
+            retry_delay_seconds=0.0001,
+        )
+
+        assert result == "ok"
+        assert attempts["count"] == 3
+
+    asyncio.run(run())
+
+
 def test_retry_operation_async_retries_bytearray_rate_limit_errors():
     async def run() -> None:
         attempts = {"count": 0}